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VulkanLoader: Search frameworks directory for libvulkan.dylib

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This commit is contained in:
Connor McLaughlin 2020-08-25 19:07:12 +10:00
parent 032127a7d6
commit 5f3642e9fd
1 changed files with 25 additions and 0 deletions
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25
dep/vulkan-loader/src/vulkan_loader.cpp
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@ -7,6 +7,8 @@
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
#include "vulkan_loader.h"
@ -14,6 +16,10 @@
#include <dlfcn.h>
#endif
#ifdef __APPLE__
#include <mach-o/dyld.h>
#endif
#define VULKAN_MODULE_ENTRY_POINT(name, required) PFN_##name name;
#define VULKAN_INSTANCE_ENTRY_POINT(name, required) PFN_##name name;
#define VULKAN_DEVICE_ENTRY_POINT(name, required) PFN_##name name;
@ -111,6 +117,25 @@ bool LoadVulkanLibrary()
char* libvulkan_env = getenv("LIBVULKAN_PATH");
if (libvulkan_env)
vulkan_module = dlopen(libvulkan_env, RTLD_NOW);
if (!vulkan_module)
{
unsigned path_size = 0;
_NSGetExecutablePath(nullptr, &path_size);
std::string path;
path.resize(path_size);
if (_NSGetExecutablePath(path.data(), &path_size) == 0)
{
path[path_size] = 0;
size_t pos = path.rfind('/');
if (pos != std::string::npos)
{
path.erase(pos);
path += "/../Frameworks/libvulkan.dylib";
vulkan_module = dlopen(path.c_str(), RTLD_NOW);
}
}
}
if (!vulkan_module)
vulkan_module = dlopen("libvulkan.dylib", RTLD_NOW);
#else